You didn't read the article, she gives them away to friends but has no way of storing them and is in a battle with UPS to stop unjust delivery charges.
Also some people have ethics about littering or contributing to needless waste.
The difficulty is exactly the same and the visibility is much better when leaving the space. Reversing isn't any harder than driving forwards, especially if you have a backup camera, many people are just unskilled or have low confidence
This is short-sighted. We need to entirely divert away from using cars as our primary mode of transportation.